def parse string_or_io, url = nil, encoding = nil, options = 2145, &block
options = Nokogiri::XML::ParseOptions.new(options) if Fixnum === options
yield options if block_given?
if string_or_io.respond_to?(:encoding)
encoding ||= string_or_io.encoding.name
end
if string_or_io.respond_to?(:read)
url ||= string_or_io.respond_to?(:path) ? string_or_io.path : nil
return self.read_io(string_or_io, url, encoding, options.to_i)
end
return self.new if(string_or_io.length == 0)
self.read_memory(string_or_io, url, encoding, options.to_i)
end